Pith Number

pith:FNSX7R2J

pith:2018:FNSX7R2JTLXFRA4SPVM7RKSVN3

not attested not anchored not stored refs pending

Efficient Optimization Algorithms for Robust Principal Component Analysis and Its Variants

Necdet Serhat Aybat, Shiqian Ma

arxiv:1806.03430 v1 · 2018-06-09 · math.OC · cs.CV · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNSX7R2JTLXFRA4SPVM7RKSVN3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:13:43.423982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b657fc7499aee5883927d59f8aa556ed57bc7c23dfe02f38f387fa5d064139b

Aliases

arxiv: 1806.03430 · arxiv_version: 1806.03430v1 · doi: 10.48550/arxiv.1806.03430 · pith_short_12: FNSX7R2JTLXF · pith_short_16: FNSX7R2JTLXFRA4S · pith_short_8: FNSX7R2J

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FNSX7R2JTLXFRA4SPVM7RKSVN3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2b657fc7499aee5883927d59f8aa556ed57bc7c23dfe02f38f387fa5d064139b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d22e4f92168d59167c38eb2ff1ada57ab708b88bfe472e9d913faa4261bb418",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-06-09T07:27:01Z",
    "title_canon_sha256": "c2640405460dd917fbaad9830119a1d311bb59d25a0b257b310e94aa196b785d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03430",
    "kind": "arxiv",
    "version": 1
  }
}